Three-dimensional pipe model establishment lofting method and device for geography information system

A technology of geographic information system and three-dimensional pipe, which is applied in the field of building and setting out three-dimensional pipe model of geographic information system to achieve the effect of saving manpower and material cost, facilitating data maintenance and occupying less resources.

Active Publication Date: 2017-05-10
BEIJING SUPERMAP SOFTWARE CO LTD
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[0006] This application provides a method and device for building and setting out a three-dimensional pipe model in a geographic information s

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  • Three-dimensional pipe model establishment lofting method and device for geography information system
  • Three-dimensional pipe model establishment lofting method and device for geography information system
  • Three-dimensional pipe model establishment lofting method and device for geography information system

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[0028] In order to make the above objectives, features and advantages of the application more obvious and understandable, the application will be further described in detail below in conjunction with the drawings and specific implementations.

[0029] In the description of this application, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. The meaning of "plurality" means two or more than two, unless otherwise specifically defined. The terms "including", "including" and similar terms should be understood as open terms, that is, "including / including but not limited to". The term "based on" is "based at least in part on." The term "one embodiment" means "at least one emb...

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Abstract

The invention provides a three-dimensional pipe model establishment lofting method and device for a geography information system. Three-dimensional pipe point symbols are stored in a symbol library of the geography information system. The three-dimensional pipe point symbols are equipped with scene self-adaption parameters. The method comprises the steps of obtaining three-dimensional geometric network topology data composed of vector point data and vector line data; finding three-dimensional pipe lines connected with three-dimensional pipe points according to a topology connection relationship between the three-dimensional pipe points and the three-dimensional pipe lines, wherein the topology connection relationship is identified by the three-dimensional geometric network topology data; and determining self-adaption parameters corresponding to the three-dimensional pipe point symbols in the symbol library according to three-dimensional pipe line sections and lofting the three-dimensional pipe points. According to the method and the device, through adoption of the means, customization and reuse of the self-adaption three-dimensional pipe point symbols can be realized, work such as manual modeling and matching of the three-dimensional pipe points with the three-dimensional pipe lines can be removed, data maintenance is facilitated, and the manpower and material resources are saved.

Description

technical field [0001] The present application relates to the technical field of three-dimensional geographic information system (GIS, Geography Information System), in particular, to a method and device for building and setting out a three-dimensional pipe model in a geographic information system. Background technique [0002] With the widespread application of geographic information systems in society, the application of 3D scenes is getting deeper and deeper. Among them, the three-dimensional pipe network occupies a large part of the application scenarios, and the three-dimensional pipe network includes the three-dimensional pipe point part and the three-dimensional pipeline part. In municipal planning and construction, it has practical significance for the display, management, analysis and application of three-dimensional pipe points and three-dimensional pipelines above and below ground. [0003] Although some 3D system products or geographic information system product...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/29
Inventor 钟耳顺冯振华孙寅乐曾志明李濛王少华胡平
Owner BEIJING SUPERMAP SOFTWARE CO LTD
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